PartsTable
Technical Data Sheet
KR12-CWB ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYURETHANE RACE LINER, bore_diameter: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, style_designator: WITH INSERT AND/OR LINER, inner_member_width: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, outer_member_width: 0.6250 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN, static_radial_load_rating: 37000 POUNDS LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-083-3268, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
KR12-CWB
NSN: 3120-01-083-3268
FSC: 3120
CAGE: 50632 — KAMATICS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE RACE LINER
bore_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
style_designatorWITH INSERT AND/OR LINER
inner_member_width0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
outer_member_width0.6250 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
static_radial_load_rating37000 POUNDS LBS
outer_member_outside_diameter1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
NSN3120-01-083-3268
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KR12-CWB · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
BORE DIAMETER: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER: 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 630 OUTER RACE MEMBER
STYLE DESIGNATOR: WITH INSERT AND/OR LINER
INNER MEMBER WIDTH: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
OUTER MEMBER WIDTH: 0.6250 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OUTER MEMBER OUTSIDE DIAMETER1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OUTER RACE MEMBER
MATERIALSTEEL COMP 440C INNER MEMBER
STYLE DESIGNATORWITH INSERT AND/OR LINER
MATERIALPLASTIC POLYURETHANE RACE LINER
INNER MEMBER WIDTH0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.6250 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
STATIC RADIAL LOAD RATING37000 POUNDS LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
KR4-CWBInterchangeable
interchangeable cross-reference
interchangeable
MS21231-4Interchangeable
interchangeable cross-reference
interchangeable
AS14102Interchangeable
interchangeable cross-reference
interchangeable
KR-7CWBInterchangeable
interchangeable cross-reference
interchangeable
MS14102-7Interchangeable
interchangeable cross-reference
interchangeable
AS81820Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KR12-CWB?
KR12-CWB is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace KR12-CWB?
There are 23 known substitutes for KR12-CWB: KR4-CWB, MS21231-4, AS14102 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KR12-CWB?
KR12-CWB is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-083-3268. This indicates validated use in U.S. government and defense supply chains.
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